An undated photograph of the coal breaker at the Williamstown Colliery, Williamstown, Dauphin County, Pennsylvania.
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Photo from the Sesquicentennial History of Williamstown and Williams Township, Dauphin County, Pennsylvania, published in 1976. For availability of copies of this book, contact the Williamstown and Williams Township Historical Society, 115 W. Market Street, Williamstown, Pennsylvania 17098.
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